The Issues - And The Debt - Run Deep At The Chicago Symphony"Ticket sales and performance fees from CSO concerts cover only about half the cost of putting them on. Salaries and the cost of providing benefits for top musicians are rising while revenues remain flat. And the CSO is burdened with more debt than any other major symphony in the country, in large part thanks to a $110 million renovation of Symphony Center, completed in 1997." The Chicago Tribune 10/07/12